Sharks

Colossal octopus may have dominated Cretaceous oceans, researchers say

“These giant octopuses likely occupied the same ecological tier and may have competed with marine reptiles and sharks within the same ecosystem,” said paleontologist Kazutaka Iba.

Pacific giant octopus.
One more cup of coffee?

Researchers find traces of caffeine, cocaine in sharks in The Bahamas

A lifeguard patrols North Steyne beach as beaches are closed after recent shark attacks, in Sydney, Australia, January 20, 2026.

Dozens of Australian east coast beaches closed after four shark attacks in two days

Great white shark, Carcharodon carcharias, Neptune Islands, South Australia, Indian Ocean.

Scientists warn great white sharks in danger of disappearing from Mediterranean


Remains of missing shark attack victim found, concluding 24-hour search

Israeli media reported that items belonging to the victim have been recovered, but that the swimmer who was attacked by sharks is still missing.

 Search and rescue teams search for a diver which has been missing since yesterday when he was attacked by sharks near the beach in Hadera. April 22, 2025.

Swimmer bitten by shark off the coast of Hadera, goes missing

Witnesses at the beach said they saw blood in the water and said that they saw someone screaming for help.

Drone view sharks swimming off the shore of Hadera, Israel, April 17, 2021

'I noticed two shadows in the water': Two sharks spotted at Beit Yanai Beach

Marine biologist Dr. Adi Barash explained that there is no reason to fear the beach. Still, the INPA advised to exercise caution.

 A free-diver swims next to Sandbar sharks in the Mediterranean sea near the northern Israeli coastal city of Hadera, on December 30, 2022.

Eilat dive reveals rare Yago shark species, surprising the diving world

During a dive in Eilat an amateur diver from Kiryat Ono, captured a rare shark on camera. 

 Footage captured by diver Menashe Pinhas.

Megalodon shark may have reached 80 feet, new study finds

Megalodon sharks roamed the seas between 20 million and 3.6 million years ago.

 an illustration of a shark being eaten by an even larger shark Scientists have long assumed megalodons looked like big great white sharks, but new research suggests this is not the case

World's longest cave reveals tiny 'Chipmunk Shark' species with iron nail-like teeth

Fossilized teeth reveal tiny 'chipmunk shark' species from over 330 million years ago.

 World's longest cave reveals 'Chipmunk Shark' with iron nail-like teeth.

Ultrasound performed on sandbar shark reveals advanced pregnancy stage in historic Israeli first

The waters off Hadera serve as a seasonal aggregation site for sharks, though the precise reasons remain under investigation.

Dusky Shark swiming in the sea

Pregnant female dusky shark found dead on Hadera beach

Teams managed to remove four embryos from the shark which were placed in a seawater tank in an attempt to revive them, but this was unsuccessful.

 Dusky shark found dead on the beach in Hadera

Canadian tourist loses both hands in Turks and Caicos shark attack

Canadian tourist Nathalie Ross, 55, is recovering in Canada after a shark attack in the Turks and Caicos Islands that resulted in the loss of both her hands and a chunk of her thigh.

 Canadian tourist loses both hands in Turks and Caicos shark attack. Illustration.

Surfers at risk: 60% of shark bites in 2024 targeted wave riders

Gavin Naylor, director of the Florida Program for Shark Research, noted that the lower numbers of shark encounters in 2024 could simply represent a statistical fluctuation.

 Surfers at risk: 60% of shark bites in 2024 targeted wave riders.